J. Kunkel, T. Donkers, L. Michael, C. Barbu, and J. Ziegler. Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems - CHI \textquotesingle19, page 1-12. ACM Press, (2019)
P. Victor, C. Cornelis, A. Teredesai, and M. De Cock. SAC '08: Proceedings of the 2008 ACM symposium on Applied computing, page 2014--2018. New York, NY, USA, ACM, (2008)
Y. Huang, N. Contractor, and Y. Yao. dg.o '08: Proceedings of the 2008 international conference on Digital government research, page 27--33. Digital Government Society of North America, (2008)